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Python exit commands - why so many and when should each be used?
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edited Apr 8 at 10:33
mhsmith
4,25122 gold badges2828 silver badges5454 bronze badges
answered ...
How do you usually Tag log entries? (android)
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edited Dec 7 '11 at 9:07
answered Dec 2 '11 at 11:42
gi...
What's the difference between an inverted index and a plain old index?
... inverted index we can find out a word's locate in a document(or documents set) as fast as possible. Think about the limit of memory and cpu, other index can't finish this job.
You can read lucene document for more details. It's a open source search engine. http://lucene.apache.org/java/docs/index...
How is an overloaded method chosen when a parameter is the literal null value?
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102
Is null a String variable pointing to nothing ?
A null reference can be converted to an ex...
Can I use if (pointer) instead of if (pointer != NULL)?
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203
You can; the null pointer is implicitly converted into boolean false while non-null pointers ar...
Why doesn't std::queue::pop return value.?
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107
So, whats the difference, pop function could have done the same thing.
It could indeed hav...
Delete with Join in MySQL
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+50
You just need to specify that you want to delete the entries from the posts table:
DELETE posts
FROM posts
INNER JOIN projects ON pro...
Get current AUTO_INCREMENT value for any table
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Harshil Sharma
1,62111 gold badge2020 silver badges4848 bronze badges
answered Apr 4 '13 at 20:56
methaimethai
7...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
... () {
var args = Array.prototype.slice.apply(arguments),
res = 0, c;
while (c = args.shift())
res += c;
return res;
}
// Test the calc method:
console.log(ins1.calc(1,1,1), ins2.calc(1,1,1));
// -> 3, 3
Notice how changing the method applied to both instances? T...
How to convert a SVG to a PNG with ImageMagick?
..., but Inkscape does a nice job of it on Linux and Windows:
inkscape -z -w 1024 -h 1024 input.svg -e output.png
Edit (May 2020): Inkscape 1.0 users, please note that the command line arguments have changed:
inkscape -w 1024 -h 1024 input.svg --export-filename output.png
(on macOS, you may need to u...